Currently I have 8 different pictures and I want to put them in 2 rows of 4 (so 4 pictures per line). These tikzpicture also have arrow head which I would like to get rid off.
If someone could type up the code to do that, I would really appreciate it!
begin{document}
pagestyle{plain}
thispagestyle{fancy}
begin{enumerate}
item The number of nonisomorphic simple graphs with 2 vertices is 2
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (12.9,-27.4) circle (3);
draw [black] (27.2,-27.4) circle (3);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (12.7,-27.4) circle (3);
draw [black] (27.2,-27.4) circle (3);
draw [black] (15.7,-27.4) -- (24.2,-27.4);
fill [black] (24.2,-27.4) -- (23.4,-26.9) -- (23.4,-27.9);
end{tikzpicture}
end{center}
item The number of nonisomorphic simple graphs with 3 vertices is 8
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (38.4,-10) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.2,-23.4) circle (3);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.3,-9.3) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (35.92,-11.96) -- (31.38,-20.74);
fill [black] (31.38,-20.74) -- (32.19,-20.26) -- (31.3,-19.8);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.3,-9.3) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (33,-23.27) -- (43.4,-22.83);
fill [black] (43.4,-22.83) -- (42.58,-22.36) -- (42.62,-23.36);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.3,-9.3) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (39.9,-11.2) -- (44.92,-20.09);
fill [black] (44.92,-20.09) -- (44.97,-19.15) -- (44.09,-19.64);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.3,-9.3) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (39.9,-11.2) -- (44.92,-20.09);
fill [black] (44.92,-20.09) -- (44.97,-19.15) -- (44.09,-19.64);
draw [black] (35.92,-11.96) -- (31.38,-20.74);
fill [black] (31.38,-20.74) -- (32.19,-20.26) -- (31.3,-19.8);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.3,-9.3) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (33,-23.27) -- (43.4,-22.83);
fill [black] (43.4,-22.83) -- (42.58,-22.36) -- (42.62,-23.36);
draw [black] (31.38,-20.74) -- (35.92,-11.96);
fill [black] (35.92,-11.96) -- (35.11,-12.44) -- (36,-12.9);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.3,-9.3) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (43.4,-22.83) -- (33,-23.27);
fill [black] (33,-23.27) -- (33.82,-23.74) -- (33.78,-22.74);
draw [black] (44.71,-20.22) -- (38.99,-11.78);
fill [black] (38.99,-11.78) -- (39.02,-12.72) -- (39.85,-12.16);
end{tikzpicture}
end{center}
begin{center}
begin{tikzpicture}[scale=0.2]
tikzstyle{every node}+=[inner sep=0pt]
draw [black] (37.5,-7.8) circle (3);
draw [black] (30,-23.4) circle (3);
draw [black] (46.4,-22.7) circle (3);
draw [black] (36.2,-10.5) -- (31.3,-20.7);
fill [black] (31.3,-20.7) -- (32.1,-20.19) -- (31.2,-19.76);
draw [black] (33.2,-22.7) -- (43.4,-22.7);
fill [black] (43.4,-22.7) -- (42.6,-22.2) -- (42.6,-23.2);
draw [black] (44.6,-20.3) -- (38.98,-10.41);
fill [black] (38.98,-10.41) -- (38.94,-11.35) -- (39.81,-10.86);
end{tikzpicture}
end{center}
end{enumerate}
end{document}